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#
# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.
#
import traceback
import sys
from eccodes import *
VERBOSE = 1 # verbose error reporting
def example():
"""
Encoding of the pv coefficients.
"""
# read the coefficients from file
pv = []
for line in open('../../data/60_model_levels'):
pv.extend([float(x) for x in line.strip().split('\t')])
numberOfLevels = 60
numberOfCoefficients = 2 * (numberOfLevels + 1)
assert (len(pv) == numberOfCoefficients)
fout = open('grib_set_pv.py.temp.grib', 'wb')
gid = codes_grib_new_from_samples('reduced_gg_sfc_grib1')
codes_set(gid, 'typeOfLevel', 'hybrid')
codes_set(gid, 'level', 2)
codes_set(gid, 'PVPresent', 1)
codes_set_array(gid, 'pv', pv)
codes_write(gid, fout)
codes_release(gid)
fout.close()
def main():
try:
example()
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + '\n')
return 1
if __name__ == '__main__':
sys.exit(main())
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